package com.chinasofti;

public class TestStudent {
    public static void main(String[] args) {
        Student stu = new Student();
        System.out.println(stu.age);
        System.out.println(stu.name);
        stu.name ="张三" ;
        stu.age = 23;
        System.out.println(stu.age);
        System.out.println(stu.name);

        stu.studay();
    }
}
